CVE-2026-34530
File Browser is vulnerable to Stored Cross-Site Scripting via text/template branding injection
MEDIUM 6.9EPSS 0.4%
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the SPA index page in File Browser is vulnerable to Stored Cross-Site Scripting (XSS) via admin-controlled branding fields. An admin who sets branding.name to a malicious payload injects persistent JavaScript that executes for ALL visitors, including unauthenticated users. This issue has been patched in version 2.62.2.
- Affected
- filebrowser
- CVSS v3.1 GITHUB
- 6.9 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N - EPSS
- 0.36% chance of exploitation in the next 30 days, 28th percentile
- Published
- 2026-04-01
- Updated
- 2026-04-04
Proof-of-concept exploits (1)
Security advisories
- filebrowser/filebrowser/security/advisories/GHSA-xfqj-3vmx-63wv
- filebrowser/filebrowser/releases/tag/v2.62.2